__________ are good reducing agent .
Metals
Non metals
Metalloid
None of these
Hydrogen peroxide decomposes to water and
nitrogen
hydrogen
oxygen
none of these
Which gases is liberated when Zinc & HCl reacts with
Oxygen
Hydrogen
Nitrogen
Fluorine.
Number of Hydrogen ion donated by an Acid
Basicity
Acidity
Redox
Chemical formula of bleaching powder
CaCl2
CaCO3
CuHCO3
CaOCl2
HCl is a _________ acid .
Monobasic
Dibasic
Tribasic
Elements which accept electrons during reactions are
Metal
Non metal
A reaction in which oxidation and reduction takes place at same time.
Decomposition
Combination
Most electronegative element
Bromine
Fluorine
Iodine
Iron